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MYP5 Moles chemistry Flashcards | StudBud
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MYP5 Moles chemistry
MYP5 Moles chemistry
17 terms
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CALCULATOR AND PT
Flashcards
17 cards
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Questions
17
Answers
1
What is Avogadros number?
22.4
6.02 x 10-23
6.02 x 1023
1
2
The SI base unit for measuring the amount of a substance (not mass) is
the kilogram
mole
Kelvin
ampere
3
How many grams are in one mole of nitrogen?
1
12.0
14.0
5.0
4
How many particles are there in 1 mole of copper?
1
6.02 x 1023
65.3
3.1
5
How many particles are there in 2 moles of Fe?
2
1
2(22.9)
2(6.02 x 1023)
6
In terms of chemistry, what is a mole?
a type of flask used for measuring gases
a unit of measurement indicating a large number of particles
anything that causes a chemical reaction to take place
chemist who resorts to industrial espionage for discoveries
7
The mass of a mole of NaCl is the
molecular mass
compound mass
atomic mass
molar mass
8
How many moles in 6.02 x 10
23
ions of Ca
+2
?
3.01
4
35
1
9
How many moles are there in 1.01 grams of hydrogen?
1
9
2
3
10
How many atoms of hydrogen are in the formula below?
5
4
3
1
11
How many thoughts are there in one mole of your brain?
3
unmeasureable
absolutely none
1
12
To calculate molar mass of a molecule, you
Add the average atomic mass and multiply by 2
Add up the average atomic mass of each element
Multiply the moles by the average atomic mass
Add up the atomic number of each element
13
Does 1 mole of copper and lead have the same number of atoms?
sometime
yes
no
14
Why is the answer for number 9 unmeasurable?
your thoughts don't matter
You're crazy
thoughts are not matter
I'm crazy
15
How many grams of helium are there in 1 mole of helium?
12.0
1
4.00
6.02 x 1023
16
How many carbon atoms in the following formula, C
6
H
12
O
6
6
1
none
12
17
Which of the following elements is not a diatomic molecule
N
C
Cl
O
